xref: /openbmc/u-boot/arch/x86/Kconfig (revision 42a3f3e6)
1menu "x86 architecture"
2	depends on X86
3
4config SYS_ARCH
5	default "x86"
6
7choice
8	prompt "Mainboard vendor"
9	default VENDOR_EMULATION
10
11config VENDOR_CONGATEC
12	bool "congatec"
13
14config VENDOR_COREBOOT
15	bool "coreboot"
16
17config VENDOR_EFI
18	bool "efi"
19
20config VENDOR_EMULATION
21	bool "emulation"
22
23config VENDOR_GOOGLE
24	bool "Google"
25
26config VENDOR_INTEL
27	bool "Intel"
28
29endchoice
30
31# board-specific options below
32source "board/congatec/Kconfig"
33source "board/coreboot/Kconfig"
34source "board/efi/Kconfig"
35source "board/emulation/Kconfig"
36source "board/google/Kconfig"
37source "board/intel/Kconfig"
38
39# platform-specific options below
40source "arch/x86/cpu/baytrail/Kconfig"
41source "arch/x86/cpu/broadwell/Kconfig"
42source "arch/x86/cpu/coreboot/Kconfig"
43source "arch/x86/cpu/ivybridge/Kconfig"
44source "arch/x86/cpu/qemu/Kconfig"
45source "arch/x86/cpu/quark/Kconfig"
46source "arch/x86/cpu/queensbay/Kconfig"
47
48# architecture-specific options below
49
50config AHCI
51	default y
52
53config SYS_MALLOC_F_LEN
54	default 0x800
55
56config RAMBASE
57	hex
58	default 0x100000
59
60config XIP_ROM_SIZE
61	hex
62	depends on X86_RESET_VECTOR
63	default ROM_SIZE
64
65config CPU_ADDR_BITS
66	int
67	default 36
68
69config HPET_ADDRESS
70	hex
71	default 0xfed00000 if !HPET_ADDRESS_OVERRIDE
72
73config SMM_TSEG
74	bool
75	default n
76
77config SMM_TSEG_SIZE
78	hex
79
80config X86_RESET_VECTOR
81	bool
82	default n
83
84config RESET_SEG_START
85	hex
86	depends on X86_RESET_VECTOR
87	default 0xffff0000
88
89config RESET_SEG_SIZE
90	hex
91	depends on X86_RESET_VECTOR
92	default 0x10000
93
94config RESET_VEC_LOC
95	hex
96	depends on X86_RESET_VECTOR
97	default 0xfffffff0
98
99config SYS_X86_START16
100	hex
101	depends on X86_RESET_VECTOR
102	default 0xfffff800
103
104config BOARD_ROMSIZE_KB_512
105	bool
106config BOARD_ROMSIZE_KB_1024
107	bool
108config BOARD_ROMSIZE_KB_2048
109	bool
110config BOARD_ROMSIZE_KB_4096
111	bool
112config BOARD_ROMSIZE_KB_8192
113	bool
114config BOARD_ROMSIZE_KB_16384
115	bool
116
117choice
118	prompt "ROM chip size"
119	depends on X86_RESET_VECTOR
120	default UBOOT_ROMSIZE_KB_512 if BOARD_ROMSIZE_KB_512
121	default UBOOT_ROMSIZE_KB_1024 if BOARD_ROMSIZE_KB_1024
122	default UBOOT_ROMSIZE_KB_2048 if BOARD_ROMSIZE_KB_2048
123	default UBOOT_ROMSIZE_KB_4096 if BOARD_ROMSIZE_KB_4096
124	default UBOOT_ROMSIZE_KB_8192 if BOARD_ROMSIZE_KB_8192
125	default UBOOT_ROMSIZE_KB_16384 if BOARD_ROMSIZE_KB_16384
126	help
127	  Select the size of the ROM chip you intend to flash U-Boot on.
128
129	  The build system will take care of creating a u-boot.rom file
130	  of the matching size.
131
132config UBOOT_ROMSIZE_KB_512
133	bool "512 KB"
134	help
135	  Choose this option if you have a 512 KB ROM chip.
136
137config UBOOT_ROMSIZE_KB_1024
138	bool "1024 KB (1 MB)"
139	help
140	  Choose this option if you have a 1024 KB (1 MB) ROM chip.
141
142config UBOOT_ROMSIZE_KB_2048
143	bool "2048 KB (2 MB)"
144	help
145	  Choose this option if you have a 2048 KB (2 MB) ROM chip.
146
147config UBOOT_ROMSIZE_KB_4096
148	bool "4096 KB (4 MB)"
149	help
150	  Choose this option if you have a 4096 KB (4 MB) ROM chip.
151
152config UBOOT_ROMSIZE_KB_8192
153	bool "8192 KB (8 MB)"
154	help
155	  Choose this option if you have a 8192 KB (8 MB) ROM chip.
156
157config UBOOT_ROMSIZE_KB_16384
158	bool "16384 KB (16 MB)"
159	help
160	  Choose this option if you have a 16384 KB (16 MB) ROM chip.
161
162endchoice
163
164# Map the config names to an integer (KB).
165config UBOOT_ROMSIZE_KB
166	int
167	default 512 if UBOOT_ROMSIZE_KB_512
168	default 1024 if UBOOT_ROMSIZE_KB_1024
169	default 2048 if UBOOT_ROMSIZE_KB_2048
170	default 4096 if UBOOT_ROMSIZE_KB_4096
171	default 8192 if UBOOT_ROMSIZE_KB_8192
172	default 16384 if UBOOT_ROMSIZE_KB_16384
173
174# Map the config names to a hex value (bytes).
175config ROM_SIZE
176	hex
177	default 0x80000 if UBOOT_ROMSIZE_KB_512
178	default 0x100000 if UBOOT_ROMSIZE_KB_1024
179	default 0x200000 if UBOOT_ROMSIZE_KB_2048
180	default 0x400000 if UBOOT_ROMSIZE_KB_4096
181	default 0x800000 if UBOOT_ROMSIZE_KB_8192
182	default 0xc00000 if UBOOT_ROMSIZE_KB_12288
183	default 0x1000000 if UBOOT_ROMSIZE_KB_16384
184
185config HAVE_INTEL_ME
186	bool "Platform requires Intel Management Engine"
187	help
188	  Newer higher-end devices have an Intel Management Engine (ME)
189	  which is a very large binary blob (typically 1.5MB) which is
190	  required for the platform to work. This enforces a particular
191	  SPI flash format. You will need to supply the me.bin file in
192	  your board directory.
193
194config X86_RAMTEST
195	bool "Perform a simple RAM test after SDRAM initialisation"
196	help
197	  If there is something wrong with SDRAM then the platform will
198	  often crash within U-Boot or the kernel. This option enables a
199	  very simple RAM test that quickly checks whether the SDRAM seems
200	  to work correctly. It is not exhaustive but can save time by
201	  detecting obvious failures.
202
203config HAVE_FSP
204	bool "Add an Firmware Support Package binary"
205	depends on !EFI
206	help
207	  Select this option to add an Firmware Support Package binary to
208	  the resulting U-Boot image. It is a binary blob which U-Boot uses
209	  to set up SDRAM and other chipset specific initialization.
210
211	  Note: Without this binary U-Boot will not be able to set up its
212	  SDRAM so will not boot.
213
214config FSP_FILE
215	string "Firmware Support Package binary filename"
216	depends on HAVE_FSP
217	default "fsp.bin"
218	help
219	  The filename of the file to use as Firmware Support Package binary
220	  in the board directory.
221
222config FSP_ADDR
223	hex "Firmware Support Package binary location"
224	depends on HAVE_FSP
225	default 0xfffc0000
226	help
227	  FSP is not Position Independent Code (PIC) and the whole FSP has to
228	  be rebased if it is placed at a location which is different from the
229	  perferred base address specified during the FSP build. Use Intel's
230	  Binary Configuration Tool (BCT) to do the rebase.
231
232	  The default base address of 0xfffc0000 indicates that the binary must
233	  be located at offset 0xc0000 from the beginning of a 1MB flash device.
234
235config FSP_TEMP_RAM_ADDR
236	hex
237	depends on HAVE_FSP
238	default 0x2000000
239	help
240	  Stack top address which is used in fsp_init() after DRAM is ready and
241	  CAR is disabled.
242
243config FSP_SYS_MALLOC_F_LEN
244	hex
245	depends on HAVE_FSP
246	default 0x100000
247	help
248	  Additional size of malloc() pool before relocation.
249
250config FSP_USE_UPD
251	bool
252	depends on HAVE_FSP
253	default y
254	help
255	  Most FSPs use UPD data region for some FSP customization. But there
256	  are still some FSPs that might not even have UPD. For such FSPs,
257	  override this to n in their platform Kconfig files.
258
259config FSP_BROKEN_HOB
260	bool
261	depends on HAVE_FSP
262	help
263	  Indicate some buggy FSPs that does not report memory used by FSP
264	  itself as reserved in the resource descriptor HOB. Select this to
265	  tell U-Boot to do some additional work to ensure U-Boot relocation
266	  do not overwrite the important boot service data which is used by
267	  FSP, otherwise the subsequent call to fsp_notify() will fail.
268
269config ENABLE_MRC_CACHE
270	bool "Enable MRC cache"
271	depends on !EFI && !SYS_COREBOOT
272	help
273	  Enable this feature to cause MRC data to be cached in NV storage
274	  to be used for speeding up boot time on future reboots and/or
275	  power cycles.
276
277	  For platforms that use Intel FSP for the memory initialization,
278	  please check FSP output HOB via U-Boot command 'fsp hob' to see
279	  if there is FSP_NON_VOLATILE_STORAGE_HOB_GUID (asm/fsp/fsp_hob.h).
280	  If such GUID does not exist, MRC cache is not avaiable on such
281	  platform (eg: Intel Queensbay), which means selecting this option
282	  here does not make any difference.
283
284config HAVE_MRC
285	bool "Add a System Agent binary"
286	depends on !HAVE_FSP
287	help
288	  Select this option to add a System Agent binary to
289	  the resulting U-Boot image. MRC stands for Memory Reference Code.
290	  It is a binary blob which U-Boot uses to set up SDRAM.
291
292	  Note: Without this binary U-Boot will not be able to set up its
293	  SDRAM so will not boot.
294
295config CACHE_MRC_BIN
296	bool
297	depends on HAVE_MRC
298	default n
299	help
300	  Enable caching for the memory reference code binary. This uses an
301	  MTRR (memory type range register) to turn on caching for the section
302	  of SPI flash that contains the memory reference code. This makes
303	  SDRAM init run faster.
304
305config CACHE_MRC_SIZE_KB
306	int
307	depends on HAVE_MRC
308	default 512
309	help
310	  Sets the size of the cached area for the memory reference code.
311	  This ends at the end of SPI flash (address 0xffffffff) and is
312	  measured in KB. Typically this is set to 512, providing for 0.5MB
313	  of cached space.
314
315config DCACHE_RAM_BASE
316	hex
317	depends on HAVE_MRC
318	help
319	  Sets the base of the data cache area in memory space. This is the
320	  start address of the cache-as-RAM (CAR) area and the address varies
321	  depending on the CPU. Once CAR is set up, read/write memory becomes
322	  available at this address and can be used temporarily until SDRAM
323	  is working.
324
325config DCACHE_RAM_SIZE
326	hex
327	depends on HAVE_MRC
328	default 0x40000
329	help
330	  Sets the total size of the data cache area in memory space. This
331	  sets the size of the cache-as-RAM (CAR) area. Note that much of the
332	  CAR space is required by the MRC. The CAR space available to U-Boot
333	  is normally at the start and typically extends to 1/4 or 1/2 of the
334	  available size.
335
336config DCACHE_RAM_MRC_VAR_SIZE
337	hex
338	depends on HAVE_MRC
339	help
340	  This is the amount of CAR (Cache as RAM) reserved for use by the
341	  memory reference code. This depends on the implementation of the
342	  memory reference code and must be set correctly or the board will
343	  not boot.
344
345config HAVE_REFCODE
346        bool "Add a Reference Code binary"
347        help
348          Select this option to add a Reference Code binary to the resulting
349          U-Boot image. This is an Intel binary blob that handles system
350          initialisation, in this case the PCH and System Agent.
351
352          Note: Without this binary (on platforms that need it such as
353          broadwell) U-Boot will be missing some critical setup steps.
354          Various peripherals may fail to work.
355
356config SMP
357	bool "Enable Symmetric Multiprocessing"
358	default n
359	help
360	  Enable use of more than one CPU in U-Boot and the Operating System
361	  when loaded. Each CPU will be started up and information can be
362	  obtained using the 'cpu' command. If this option is disabled, then
363	  only one CPU will be enabled regardless of the number of CPUs
364	  available.
365
366config MAX_CPUS
367	int "Maximum number of CPUs permitted"
368	depends on SMP
369	default 4
370	help
371	  When using multi-CPU chips it is possible for U-Boot to start up
372	  more than one CPU. The stack memory used by all of these CPUs is
373	  pre-allocated so at present U-Boot wants to know the maximum
374	  number of CPUs that may be present. Set this to at least as high
375	  as the number of CPUs in your system (it uses about 4KB of RAM for
376	  each CPU).
377
378config AP_STACK_SIZE
379	hex
380	depends on SMP
381	default 0x1000
382	help
383	  Each additional CPU started by U-Boot requires its own stack. This
384	  option sets the stack size used by each CPU and directly affects
385	  the memory used by this initialisation process. Typically 4KB is
386	  enough space.
387
388config HAVE_VGA_BIOS
389	bool "Add a VGA BIOS image"
390	help
391	  Select this option if you have a VGA BIOS image that you would
392	  like to add to your ROM.
393
394config VGA_BIOS_FILE
395	string "VGA BIOS image filename"
396	depends on HAVE_VGA_BIOS
397	default "vga.bin"
398	help
399	  The filename of the VGA BIOS image in the board directory.
400
401config VGA_BIOS_ADDR
402	hex "VGA BIOS image location"
403	depends on HAVE_VGA_BIOS
404	default 0xfff90000
405	help
406	  The location of VGA BIOS image in the SPI flash. For example, base
407	  address of 0xfff90000 indicates that the image will be put at offset
408	  0x90000 from the beginning of a 1MB flash device.
409
410menu "System tables"
411	depends on !EFI && !SYS_COREBOOT
412
413config GENERATE_PIRQ_TABLE
414	bool "Generate a PIRQ table"
415	default n
416	help
417	  Generate a PIRQ routing table for this board. The PIRQ routing table
418	  is generated by U-Boot in the system memory from 0xf0000 to 0xfffff
419	  at every 16-byte boundary with a PCI IRQ routing signature ("$PIR").
420	  It specifies the interrupt router information as well how all the PCI
421	  devices' interrupt pins are wired to PIRQs.
422
423config GENERATE_SFI_TABLE
424	bool "Generate a SFI (Simple Firmware Interface) table"
425	help
426	  The Simple Firmware Interface (SFI) provides a lightweight method
427	  for platform firmware to pass information to the operating system
428	  via static tables in memory.  Kernel SFI support is required to
429	  boot on SFI-only platforms.  If you have ACPI tables then these are
430	  used instead.
431
432	  U-Boot writes this table in write_sfi_table() just before booting
433	  the OS.
434
435	  For more information, see http://simplefirmware.org
436
437config GENERATE_MP_TABLE
438	bool "Generate an MP (Multi-Processor) table"
439	default n
440	help
441	  Generate an MP (Multi-Processor) table for this board. The MP table
442	  provides a way for the operating system to support for symmetric
443	  multiprocessing as well as symmetric I/O interrupt handling with
444	  the local APIC and I/O APIC.
445
446config GENERATE_ACPI_TABLE
447	bool "Generate an ACPI (Advanced Configuration and Power Interface) table"
448	default n
449	select QFW if QEMU
450	help
451	  The Advanced Configuration and Power Interface (ACPI) specification
452	  provides an open standard for device configuration and management
453	  by the operating system. It defines platform-independent interfaces
454	  for configuration and power management monitoring.
455
456config GENERATE_SMBIOS_TABLE
457	bool "Generate an SMBIOS (System Management BIOS) table"
458	default y
459	help
460	  The System Management BIOS (SMBIOS) specification addresses how
461	  motherboard and system vendors present management information about
462	  their products in a standard format by extending the BIOS interface
463	  on Intel architecture systems.
464
465	  Check http://www.dmtf.org/standards/smbios for details.
466
467config SMBIOS_MANUFACTURER
468	string "SMBIOS Manufacturer"
469	depends on GENERATE_SMBIOS_TABLE
470	default SYS_VENDOR
471	help
472	  The board manufacturer to store in SMBIOS structures.
473	  Change this to override the default one (CONFIG_SYS_VENDOR).
474
475config SMBIOS_PRODUCT_NAME
476	string "SMBIOS Product Name"
477	depends on GENERATE_SMBIOS_TABLE
478	default SYS_BOARD
479	help
480	  The product name to store in SMBIOS structures.
481	  Change this to override the default one (CONFIG_SYS_BOARD).
482
483endmenu
484
485config MAX_PIRQ_LINKS
486	int
487	default 8
488	help
489	  This variable specifies the number of PIRQ interrupt links which are
490	  routable. On most older chipsets, this is 4, PIRQA through PIRQD.
491	  Some newer chipsets offer more than four links, commonly up to PIRQH.
492
493config IRQ_SLOT_COUNT
494	int
495	default 128
496	help
497	  U-Boot can support up to 254 IRQ slot info in the PIRQ routing table
498	  which in turns forms a table of exact 4KiB. The default value 128
499	  should be enough for most boards. If this does not fit your board,
500	  change it according to your needs.
501
502config PCIE_ECAM_BASE
503	hex
504	default 0xe0000000
505	help
506	  This is the memory-mapped address of PCI configuration space, which
507	  is only available through the Enhanced Configuration Access
508	  Mechanism (ECAM) with PCI Express. It can be set up almost
509	  anywhere. Before it is set up, it is possible to access PCI
510	  configuration space through I/O access, but memory access is more
511	  convenient. Using this, PCI can be scanned and configured. This
512	  should be set to a region that does not conflict with memory
513	  assigned to PCI devices - i.e. the memory and prefetch regions, as
514	  passed to pci_set_region().
515
516config PCIE_ECAM_SIZE
517	hex
518	default 0x10000000
519	help
520	  This is the size of memory-mapped address of PCI configuration space,
521	  which is only available through the Enhanced Configuration Access
522	  Mechanism (ECAM) with PCI Express. Each bus consumes 1 MiB memory,
523	  so a default 0x10000000 size covers all of the 256 buses which is the
524	  maximum number of PCI buses as defined by the PCI specification.
525
526config I8259_PIC
527	bool
528	default y
529	help
530	  Intel 8259 ISA compatible chipset incorporates two 8259 (master and
531	  slave) interrupt controllers. Include this to have U-Boot set up
532	  the interrupt correctly.
533
534config I8254_TIMER
535	bool
536	default y
537	help
538	  Intel 8254 timer contains three counters which have fixed uses.
539	  Include this to have U-Boot set up the timer correctly.
540
541config I8042_KEYB
542	default y
543
544config DM_KEYBOARD
545	default y
546
547config SEABIOS
548	bool "Support booting SeaBIOS"
549	help
550	  SeaBIOS is an open source implementation of a 16-bit X86 BIOS.
551	  It can run in an emulator or natively on X86 hardware with the use
552	  of coreboot/U-Boot. By turning on this option, U-Boot prepares
553	  all the configuration tables that are necessary to boot SeaBIOS.
554
555	  Check http://www.seabios.org/SeaBIOS for details.
556
557config HIGH_TABLE_SIZE
558	hex "Size of configuration tables which reside in high memory"
559	default 0x10000
560	depends on SEABIOS
561	help
562	  SeaBIOS itself resides in E seg and F seg, where U-Boot puts all
563	  configuration tables like PIRQ/MP/ACPI. To avoid conflicts, U-Boot
564	  puts a copy of configuration tables in high memory region which
565	  is reserved on the stack before relocation. The region size is
566	  determined by this option.
567
568	  Increse it if the default size does not fit the board's needs.
569	  This is most likely due to a large ACPI DSDT table is used.
570
571source "arch/x86/lib/efi/Kconfig"
572
573endmenu
574